copybara config update to export /MODULE.bazel #946

Job	Run time
Build and test cmake:gcc9	29s
Build and test cmake:clang15	11s
Build and test cmake:clang15:asan	13s
Build and test cmake:clang15:tsan	12s
Build and test cmake:clang15:ubsan	8s
Build and test cmake:qemu-arm-neon-gcc	1m 56s
Build and test cmake-osx:clang	21s
Build and test cmake-osx:gcc	25s
Build and test cmake-win64:msvc-rel	1m 22s
Build and test cmake-win64:msvc-dbg	1m 4s
Build and test fuzz:clang15	36s
Build and test python3.10:clang15	10s
Build and test python3.10-win	40s
Build and test maven	15s
Build and test bazel:root	40s
Build and test bazel:go	1m 2s
Build and test bazel:java	18s
Build and test bazel:research	18s
Build and test bazel-osx:root	53s
Build and test bazel-osx:go	1m 15s
Build and test bazel-osx:java	24s
Build and test bazel-osx:research	22s
Build and test bazel-win:root	1m 47s
Build and test bazel-win:java	37s
Build and test bazel-win:research	58s
	16m 36s

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